<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		/* h1[align=center]{
			font-size: 90px;
			color: blue;
		} */
		h1[align*=t]{
			font-size: 90px;
			color: blue;
		}
		h1[data-id]{
			background-color: red;
		}
		</style>
	</head>
	<body>
		<h1  data-id="k" align="left">你好</h1>
		<h1 align="center">你好</h1>
		<h1 data-id="k" >你好</h1>
		<h1 align="right">你好</h1>
		<h1>你好</h1>
		<h1>你好</h1>
	</body>
</html>
